AS204961 - ON4-AS - ON4 sp. z o.o., PL

Poland
AS Number
AS204961
AS Name
ON4-AS
Org Name
ON4 sp. z o.o.
Country / Region
Poland
Registry

ripe

RegDate

Updated

2026-03-05T15:29:31Z

AS204961 Looking Glass
IPv4Prefixes

1

IPv6Prefixes

1

IPv4 NUMs

256

IPv6 NUMs(/64)

65,536

CIDR Description IP Num
193.228.174.0/24
IRR InValid
ON4 sp. z o.o. 256
CIDR Description IP NUMs(prefix /64)
2001:678:1170::/48
ON4 sp. z o.o. 65536
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS5617 TPNET - Orange Polska Spolka Akcyjna, PL Poland 5,510,400 8,830,452,760,576 IPv4 IPv4 IPv6 IPv6
AS6204 ZET-NET - INTERKVM HOST SRL, RO Romania 3,072 268,500,999 IPv4 IPv4
AS29535 MIX2_OpenPeering - Orange Polska Spolka Akcyjna, PL Poland 8,448 68,719,542,272 IPv4 IPv4 IPv6 IPv6
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 116,992 356,753,080,320 IPv4 IPv4 IPv6 IPv6 
as-block:       AS203940 - AS205662
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2026-03-05T15:29:31Z
last-modified:  2026-03-05T15:29:31Z
source:         RIPE



aut-num:        AS204961
as-name:        ON4-AS
org:            ORG-OSZO48-RIPE
sponsoring-org: ORG-TS16-RIPE
import:         from AS5617 accept ANY
export:         to AS5617 announce AS204961
import:         from AS35179 accept ANY
export:         to AS35179 announce AS204961
import:         from AS20804 accept ANY
export:         to AS20804 announce AS204961
admin-c:        IG346-RIPE
tech-c:         PB26251-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-EXATEL
created:        2025-12-09T08:20:50Z
last-modified:  2026-03-31T09:01:28Z
source:         RIPE

organisation:   ORG-OSZO48-RIPE
org-name:       ON4 sp. z o.o.
geoloc:         52.301807 21.047133
country:        PL
reg-nr:         541492406
org-type:       OTHER
address:        ul. RZEPICHY, nr 8, lok. 74, 03-246 Warszawa
e-mail:         pawel.bruszewski@on4.pl
abuse-c:        ACRO62676-RIPE
mnt-ref:        MNT-EXATEL
mnt-by:         MNT-EXATEL
created:        2025-12-04T13:27:34Z
last-modified:  2026-07-31T12:35:02Z
source:         RIPE

person:         Iwona Grzechnik
address:        Exatel S.A.
address:        ul. Perkuna 47
address:        04-164 Warszawa
address:        POLAND
phone:          +48 (22) 340 6095
remarks:        ********************************************************
remarks:        trouble: general information and customer care - mailto:bok@exatel.pl
remarks:        trouble: peering and BGP issues - mailto:bgp@exatel.pl
remarks:        trouble: abuse,bug reports and spam notification: - mailto:abuse@exatel.pl
remarks:        trouble: registry contact, Routing probl - mailto:ripe@exatel.pl
remarks:        ********************************************************
nic-hdl:        IG346-RIPE
mnt-by:         MNT-EXATEL
created:        2003-03-18T10:59:51Z
last-modified:  2022-06-27T08:29:01Z
source:         RIPE

person:         Pawel Bruszewski
address:        ON4 sp. z o.o.
address:        ul. Rzepichy 8 m. 74, 03-246 Warszawa
phone:          +48 48 605544435
e-mail:         pawel.bruszewski@on4.pl
nic-hdl:        PB26251-RIPE
created:        2026-03-31T09:00:19Z
last-modified:  2026-05-20T13:10:51Z
source:         RIPE
mnt-by:         MNT-EXATEL